WO2016092909A1 - Endoscope à balayage - Google Patents

Endoscope à balayage Download PDF

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Publication number
WO2016092909A1
WO2016092909A1 PCT/JP2015/073866 JP2015073866W WO2016092909A1 WO 2016092909 A1 WO2016092909 A1 WO 2016092909A1 JP 2015073866 W JP2015073866 W JP 2015073866W WO 2016092909 A1 WO2016092909 A1 WO 2016092909A1
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WO
WIPO (PCT)
Prior art keywords
scanning
ferrule
unit
illumination
light
Prior art date
Application number
PCT/JP2015/073866
Other languages
English (en)
Japanese (ja)
Inventor
大記 有吉
悠次 酒井
聡一郎 小鹿
宏行 瀧澤
Original Assignee
オリンパス株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by オリンパス株式会社 filed Critical オリンパス株式会社
Priority to JP2016525115A priority Critical patent/JP5993537B1/ja
Publication of WO2016092909A1 publication Critical patent/WO2016092909A1/fr
Priority to US15/353,811 priority patent/US20170065156A1/en

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Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/00163Optical arrangements
    • A61B1/00165Optical arrangements with light-conductive means, e.g. fibre optics
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/00163Optical arrangements
    • A61B1/00172Optical arrangements with means for scanning
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/06Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor with illuminating arrangements
    • A61B1/07Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor with illuminating arrangements using light-conductive means, e.g. optical fibres
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B23/00Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
    • G02B23/24Instruments or systems for viewing the inside of hollow bodies, e.g. fibrescopes
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B23/00Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
    • G02B23/24Instruments or systems for viewing the inside of hollow bodies, e.g. fibrescopes
    • G02B23/2407Optical details
    • G02B23/2461Illumination
    • G02B23/2469Illumination using optical fibres
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B23/00Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
    • G02B23/24Instruments or systems for viewing the inside of hollow bodies, e.g. fibrescopes
    • G02B23/2476Non-optical details, e.g. housings, mountings, supports
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B23/00Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
    • G02B23/24Instruments or systems for viewing the inside of hollow bodies, e.g. fibrescopes
    • G02B23/26Instruments or systems for viewing the inside of hollow bodies, e.g. fibrescopes using light guides
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B26/00Optical devices or arrangements for the control of light using movable or deformable optical elements
    • G02B26/08Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
    • G02B26/10Scanning systems
    • G02B26/103Scanning systems having movable or deformable optical fibres, light guides or waveguides as scanning elements
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/00064Constructional details of the endoscope body
    • A61B1/00071Insertion part of the endoscope body
    • A61B1/0008Insertion part of the endoscope body characterised by distal tip features
    • A61B1/00096Optical elements
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B23/00Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
    • G02B23/24Instruments or systems for viewing the inside of hollow bodies, e.g. fibrescopes
    • G02B23/2407Optical details
    • G02B23/2423Optical details of the distal end
    • G02B23/243Objectives for endoscopes

Definitions

  • the present invention relates to a scanning endoscope that irradiates illumination light while scanning an illumination fiber, detects return light, and forms an image.
  • An electronic endoscope that displays a subject image on a monitor by photoelectrically converting the subject image using an imaging device having a solid-state imaging device such as a CCD or CMOS is known.
  • an optical scanning endoscope apparatus is known as an apparatus for displaying a subject image without using a solid-state image sensor technology.
  • Japanese Patent Application Laid-Open No. 2012-231911 discloses an optical scanning device and a scanning observation device that correct the influence of aberrations of an optical system and reduce variations in resolving power.
  • the optical scanning device has an elongated insertion portion, and an illumination fiber that guides laser light to the distal end portion is provided in the insertion portion.
  • the tip of the illumination fiber is displaced helically from the center outward in the radial direction by gradually increasing the amplitude of the drive signal applied to the piezoelectric element.
  • the vibration generated in the scanner driving unit is transmitted to the lens frame that holds the optical lens, or the external vibration is transmitted to the scanner driving unit, thereby affecting the scanner operation.
  • the observation target image may be disturbed.
  • the present invention has been made in view of the above circumstances, and prevents vibrations from being transmitted from the outside to the scanner driving unit and from the scanner driving unit to the scanner driving unit holding unit and the lens frame.
  • An object of the present invention is to provide a scanning endoscope that obtains a good observation target image.
  • the scanning endoscope guides the illumination light emitted from the light source unit and scans the illumination light on the observation target and the light guide unit that emits the illumination light from the tip.
  • a scanning unit having an actuator that swings the tip of the optical unit; a space that includes the scanning unit; and a cylindrical member that is provided along the light guide unit; A holding portion that holds the scanning portion at a predetermined position on a plane perpendicular to the longitudinal direction of the cylindrical member and that allows the scanning portion to slide in the longitudinal direction.
  • the figure explaining a scanning endoscope apparatus The figure explaining the structure of the front-end
  • a scanning endoscope apparatus 1 includes a scanning endoscope (hereinafter simply referred to as an endoscope) 2, a main body device 3 to which the endoscope 2 is connected, and a monitor 4. And is configured.
  • the endoscope 2 irradiates the subject while scanning illumination light and obtains return light from the subject.
  • the monitor 4 displays the subject image generated by the main body device 3.
  • the endoscope 2 has an elongated insertion portion 11 that is inserted into a living body.
  • the insertion portion 11 is mainly composed of a tube body having a predetermined flexibility, and a distal end portion 12 is provided on the distal end side of the insertion portion 11.
  • a connector (not shown) and the like are provided on the proximal end side of the insertion portion 11.
  • the endoscope 2 is configured to be detachable from the main body device 3 through the connector and the like.
  • the front end surface 12 a of the front end portion 12 is provided with a front end illumination lens 13 a that is an optical member constituting the illumination optical system 13 and a condensing lens 16 a that is an optical member constituting the detection optical system 16.
  • Reference numeral 13b denotes a second illumination lens, which is one of the optical members constituting the illumination optical system 13.
  • the illumination optical system 13 is configured by providing one or a plurality of optical members.
  • the detection optical system 16 includes a condenser lens 16 a and a detection fiber 17.
  • the illumination fiber 14 is a light guide unit, and guides illumination light emitted from a light source unit 24 serving as a light source unit to be described later.
  • the guided illumination light passes through the illumination optical system 13 from the tip and is an observation target. Is emitted toward the subject.
  • the actuator 15 is, for example, a piezoelectric element, and is a scanner driving unit provided on the distal end side of the illumination fiber 14.
  • the piezoelectric element is provided with two pairs of electrodes, which will be described later, at a position divided into four in the circumferential direction.
  • the piezoelectric element is driven based on a drive signal from a driver unit 25 described later, and swings the tip of the illumination fiber 14 to scan illumination light along a predetermined locus on the observation target.
  • the illumination fiber 14 and the actuator 15 constitute an optical scanning unit 40 that is a scanning unit.
  • the detection fiber 17 is inserted along the inner periphery of the insertion portion 11.
  • the detection fiber 17 transmits the return light from the observation target received by the condenser lens 16a to the detection unit 26 described later. That is, the condensing lens 16 a is disposed at the tip of the detection fiber 17.
  • the detection fiber 17 is a bundle of at least two fibers.
  • the detection fiber 17 is connected to a duplexer 36 described later when the endoscope 2 is connected to the main body device 3.
  • Reference numeral 18 denotes an endoscope memory in which various information related to the endoscope 2 is stored.
  • the endoscope memory 18 is provided inside the insertion unit 11.
  • the endoscope memory 18 and a controller 23 described later are connected via a signal line (not shown).
  • Various information stored in the endoscope memory 18 is read by the controller 23.
  • the main body device 3 is provided with a power source 21, a main body memory 22, a controller 23, a light source unit 24, a driver unit 25, a detection unit 26, and the like.
  • the light source unit 24 includes three light sources 31a, 31b, and 31c and a multiplexer 32.
  • the driver unit 25 includes a signal generator 33, digital analog (hereinafter referred to as D / A) converters 34a and 34b, and an amplifier 35.
  • D / A digital analog
  • the detection unit 26 includes a duplexer 36, detectors 37a, 37b, and 37c, and analog-digital (hereinafter referred to as A / D) converters 38a, 38b, and 38c.
  • a / D analog-digital
  • the power supply 21 supplies power to the controller 23 in accordance with an operation of a power switch (not shown).
  • the main body memory 22 stores a control program for controlling the entire main body device 3.
  • the controller 23 When the supply of power from the power source 21 is started, the controller 23 reads a control program from the main body memory 22 and controls the light source unit 24, the driver unit 25, and the detection unit 27.
  • the light sources 31a, 31b, and 31c of the light source unit 24 multiplex light of different wavelength bands, for example, light of R (red), G (green), and B (blue) wavelength bands, based on the control of the controller 23.
  • the light is emitted to the container 32.
  • the multiplexer 32 combines the light in the R, G, and B wavelength bands emitted from the light sources 31 a, 31 b, and 31 c, and emits the light to the illumination fiber 14.
  • the signal generator 33 of the driver unit 25 outputs a drive signal for scanning the tip of the illumination fiber 14 in a desired direction, for example, an elliptical spiral, based on the control of the controller 23.
  • the signal generator 33 outputs a drive signal for driving the tip of the illumination fiber 14 in the left-right direction (X-axis direction) with respect to the longitudinal axis of the insertion portion 11 to the first D / A converter 34a for insertion.
  • a drive signal for driving in the vertical direction (Y-axis direction) with respect to the insertion axis of the unit 11 is output to the second D / A converter 34b.
  • the longitudinal axis direction of the insertion portion 11 is defined as the Z-axis direction, and two directions orthogonal to the Z-axis direction and orthogonal to each other are defined as the X-axis direction and the Y-axis direction.
  • the D / A converters 34 a and 34 b convert the input drive signals from digital signals to analog signals, and output them to the amplifier 35.
  • the amplifier 35 amplifies the input drive signal and outputs it to two pairs of electrodes 49 a, 49 b, 49 c and 49 d provided on the actuator 15.
  • the actuator 15 as the vibration unit swings the tip which is the free end of the illumination fiber 14 based on the drive signal output from the amplifier 35 to the electrodes 49a, 49b, 49c, and 49d, and scans the elliptical spiral. . Thereby, the light emitted from the light source unit 24 to the illumination fiber 14 is sequentially irradiated onto the subject in an elliptical spiral shape.
  • the return light irradiated to the subject and reflected by the surface area of the subject is guided to the duplexer 36 of the detection unit 26 by the detection fiber 17.
  • the demultiplexer 36 is a dichroic mirror, for example, and demultiplexes the return light in a predetermined wavelength band. Specifically, the demultiplexer 36 demultiplexes the return light guided by the detection fiber 17 into return light in the R, G, and B wavelength bands and outputs them to the detectors 37a, 37b, and 37c, respectively.
  • Detectors 37a, 37b, and 37c detect the light intensity of the return light in the R, G, and B wavelength bands, respectively. Light intensity signals detected by the detectors 37a, 37b, and 37c are output to the A / D converters 38a, 38b, and 38c, respectively.
  • the A / D converters 38a, 38b, and 38c convert the light intensity signals output from the respective detectors 37a, 37b, and 37c from analog signals to digital signals, and output them to the controller 23.
  • the controller 23 performs predetermined image processing on the digital signals from the A / D converters 38 a, 38 b, and 38 c to generate a subject image and displays it on the monitor 4.
  • the optical scanning unit 40 constituted by the illumination fiber 14 and the actuator 15 is a frame which is a cylindrical member in which the illumination lenses 13a and 13b constituting the distal end portion 12 are integrally fixed as shown in FIG. It is enclosed in a space 43 ⁇ / b> S provided in the body 43.
  • the tip of the illumination fiber 14 is disposed as a free end in the space 43S.
  • the illumination fiber 14 is inserted into the ferrule 41 and held.
  • An actuator 15 is provided on the outer surface of the ferrule 41.
  • the ferrule 41 is formed of a material such as zirconia or nickel that can easily perform hole processing corresponding to the outer diameter (for example, 125 ⁇ m) of the illumination fiber 14 with high accuracy (for example, ⁇ 1 ⁇ m).
  • the ferrule 41 has, for example, a cylindrical shape, and a central through hole based on the diameter of the illumination fiber 14 is formed at the center of the cross section.
  • the illumination fiber 14 is disposed in a predetermined state in the central through hole, and is integrally fixed to the ferrule 41 with an adhesive or the like.
  • the clearance of the central through hole is formed small in order to make the adhesive layer as thin as possible, and an adhesive having a low viscosity is used.
  • a predetermined pipe-shaped actuator 15 is disposed on the outer peripheral surface of the ferrule 41.
  • An electrode 48 is provided on the inner peripheral surface of the actuator 15, and the above-mentioned two pairs of electrodes 49a, 49b, 49c, 49d are arranged on the outer peripheral surface with a predetermined interval.
  • the base end side of the ferrule 41 is disposed in a holding body 44 that is a holding portion.
  • the holding body 44 has a disk shape with a predetermined thickness, and is formed with an axial first through hole 44h1 and an axial second through hole 44h2 (see FIG. 4).
  • a plurality of lead wires 45 are inserted and disposed in the first axial through hole 44h1, and a ferrule 41 is fitted and disposed in the second axial through hole 44h2.
  • the axial second through hole 44h2 is a ferrule mounting hole (hereinafter also referred to as a ferrule mounting hole 44h2).
  • the inner diameter d of the second axial through hole 44h2 shown in FIG. 4A is set to a predetermined size and larger diameter than the outer diameter D of the ferrule 41. That is, a predetermined clearance is provided between the axial second through hole 44h2 and the ferrule 41.
  • the ferrule 41 has a diameter-expanded portion 42 that is a flange protruding at a predetermined height outward from the outer peripheral surface at the base end thereof.
  • a surface on the distal end side of the enlarged diameter portion 42 is a contact surface 42 f and is a plane perpendicular to the longitudinal axis of the ferrule 41.
  • the ferrule 41 is inserted from the base end surface 44r side of the holding body 44 into the ferrule mounting hole 44h2. And the ferrule 41 will be in the predetermined arrangement
  • the ferrule 41 is fitted and disposed in the ferrule mounting hole 44h2 without being integrally fixed to the holding body 44 by adhesion.
  • the holding body 44 on which the ferrule 41 is disposed is integrally fixed to a predetermined position on the base end side of the frame body 43 by adhesion or the like.
  • the central axis of the holding body 44 coincides with the central axis of the frame body 43. Therefore, the frame 43 provided with the illumination optical system 13 is provided along the illumination fiber 14.
  • the abutting surface 42 f of the enlarged diameter portion 42 abuts on the base end surface 44 r of the holding body 44, and the tip of the illumination fiber 14 constituting the optical scanning unit 40 is disposed at a predetermined position in the longitudinal direction of the frame body 43. Is done.
  • the ferrule 41 is not limited to a cylinder, and may be a prism having any shape such as a quadrangular prism.
  • an actuator 15 having a rectangular parallelepiped shape and a predetermined size is disposed at a predetermined position on the plane of each prism.
  • the resonance frequency that causes the illumination fiber 14 to largely swing is determined by the diameter of the illumination fiber 14 and the free end length that is the protruding length from the tip surface of the ferrule 41.
  • the tip of the illumination fiber 14 provided in the scanning endoscope 2 configured as described above swings when the ferrule 41 is vibrated.
  • the ferrule 41 vibrates when the actuator 15 is driven in accordance with a drive signal supplied from the D / A converters 34a and 34b to the electrodes 49a, 49b, 49c, and 49d.
  • the swing of the tip of the illumination fiber 14 due to the vibration of the ferrule 41 is controlled, and the illumination light is scanned in an elliptical spiral on the observation target.
  • the ferrule 41 also vibrates in the Z direction as indicated by an arrow Y4A in FIG. 4A.
  • the ferrule 41 is not integrally fixed to the holding body 44 by adhesion as described above, but is fitted and disposed in the ferrule mounting hole 44h2.
  • the ferrule 41 slides in the direction of the arrow Y4A in the ferrule mounting hole 44h2 due to the vibration in the Z direction generated in the ferrule 41. For this reason, the vibration in the Z direction indicated by the arrow Y ⁇ b> 4 ⁇ / b> A generated in the ferrule 41 is difficult to propagate to the holding body 44.
  • the vibration from the outside is transmitted to the optical scanning unit 40, which causes a problem in the oscillation of the tip of the illumination fiber 14 due to the vibration of the ferrule 41, and the elliptical scanning of the illumination light on the observation target is performed. It can be prevented from being disturbed.
  • the illumination fiber 14 is omitted.
  • the first ferrule 41A shown in FIGS. 5A and 5B is intermittently provided with a plurality of protrusions protruding outward in the circumferential direction.
  • the projecting portions 41c1, 41c2, 41c3, and 41c4 that are projecting portions are projecting detents.
  • the holding body 44 is formed with a ferrule mounting hole 44h3 having a concave groove 44g3 as a groove portion in which the convex portions 41c1, 41c2, 41c3, 41c4 are respectively disposed.
  • the convex portions 41c1, 41c2, 41c3, 41c4 of the first ferrule 41A are respectively fitted and arranged in the four concave grooves 44g3 formed in the ferrule mounting hole 44h3.
  • the first ferrule 41A may be provided with a concave groove and the holding body 44 may be provided with a convex portion.
  • the second ferrule 41B shown in FIGS. 6A and 6B has a flange portion 41Bf as a protruding portion protruding outward from the outer peripheral surface of the ferrule 41B at a predetermined position in the middle.
  • the flange portion 41Bf is a Z-direction positioning portion of the ferrule 41B and is disposed in the holding body 44.
  • the propagated vibration is reflected at the interface with the vibration flange portion 41Bf disposed in the holding body 44, and the problem that the holding body 44 vibrates is reduced.
  • the protruding height of the flange portion 41Bf is set to the same dimension as the protruding height of the enlarged diameter portion 42 or less.
  • the second ferrule 41B may be provided with a circumferential concave groove, and the concave groove may be disposed in the holding body 44.
  • the third ferrule 41C shown in FIGS. 7A and 7B has fan-shaped convex portions 41c5, 41c6, 41c7, and 41c8 that protrude outward in the circumferential direction.
  • the fan-shaped convex portions 41c5, 41c6, 41c7, and 41c8 are intermittently provided in the Z direction as shown in FIG. 7A, and the center angle is intermittently 90 degrees as shown in FIG. Is provided.
  • the fan-shaped convex portions 41c5, 41c6, 41c7, and 41c8 are spaced apart at equal intervals in the Z direction and are spaced apart at 90 ° intervals in the circumferential direction.
  • the fan-shaped convex portions 41c5, 41c6, 41c7, 41c8 are arranged in the holding body 44 and prevent the ferrule 41C from moving in the Z direction and rotating in the circumferential direction.
  • the fan-shaped convex portions 41c5, 41c6, 41c7, and 41c8 are disposed in the holding body 44 at intervals of 90 ° in the circumferential direction, so that the fan-shaped convex portions 41c5, 41c6, 41c7, and 41c8 are provided without gaps in the circumferential direction.
  • the ferrule having the spiral convex portions on the outer peripheral surface is disposed on the holding body 44, thereby the embodiment described above. You may make it acquire the same effect
  • the number of fan-shaped convex portions is not limited to four, and the center angle is set to 180 degrees in two cases, and the center angle is set to 120 degrees in three cases.
  • a mold endoscope can be realized.

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  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Optics & Photonics (AREA)
  • Surgery (AREA)
  • General Physics & Mathematics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Biomedical Technology (AREA)
  • Pathology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Medical Informatics (AREA)
  • Engineering & Computer Science (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Astronomy & Astrophysics (AREA)
  • Biophysics (AREA)
  • Molecular Biology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Endoscopes (AREA)
  • Instruments For Viewing The Inside Of Hollow Bodies (AREA)

Abstract

La présente invention concerne un endoscope à balayage 2 qui comprend : une unité de balayage optique 40 qui comprend une fibre d'éclairage 14 qui guide la lumière d'éclairage générée depuis une unité de source de lumière 24 et émet la lumière d'éclairage depuis une extrémité de celle-ci, et un actionneur 15 qui fait osciller l'extrémité de la fibre d'éclairage 14 de manière à balayer la lumière d'éclairage sur un sujet étant observé; un corps de cadre 43 qui a un espace 43S qui contient l'unité de balayage optique 40 et est disposé le long de la fibre d'éclairage 14; et un corps de maintien 44 qui est disposé dans le corps de cadre 43, maintient l'unité de balayage optique 40 dans une position prédéterminée dans le corps de cadre 43 sur un plan perpendiculaire à la direction Z, et permet à l'unité de balayage optique 40 de coulisser dans la direction Z.
PCT/JP2015/073866 2014-12-12 2015-08-25 Endoscope à balayage WO2016092909A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2016525115A JP5993537B1 (ja) 2014-12-12 2015-08-25 走査型内視鏡
US15/353,811 US20170065156A1 (en) 2014-12-12 2016-11-17 Scanning-type endoscope

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JP2014252107 2014-12-12
JP2014-252107 2014-12-12

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US15/353,811 Continuation US20170065156A1 (en) 2014-12-12 2016-11-17 Scanning-type endoscope

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WO2018216048A1 (fr) * 2017-05-22 2018-11-29 オリンパス株式会社 Scanner à fibre optique, dispositif d'éclairage, et dispositif d'observation

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KR102657753B1 (ko) * 2016-07-14 2024-04-17 인튜어티브 서지컬 오퍼레이션즈 인코포레이티드 수술 기구의 바디 내에 내장된 압력 시험 포트
EP3484341B1 (fr) 2016-07-14 2023-03-08 Intuitive Surgical Operations, Inc. Endoscope comprenant une pluralité de sous-ensembles pouvant être testés individuellement

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JP5210894B2 (ja) * 2009-01-13 2013-06-12 Hoya株式会社 光走査型内視鏡
WO2014057774A1 (fr) * 2012-10-11 2014-04-17 オリンパスメディカルシステムズ株式会社 Endoscope

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JP2011036592A (ja) * 2009-08-18 2011-02-24 Hoya Corp 内視鏡装置
JP2011125617A (ja) * 2009-12-21 2011-06-30 Hoya Corp 内視鏡装置
JP2014054469A (ja) * 2012-09-14 2014-03-27 Hoya Corp 共焦点プローブの動作チェック方法及び動作チェック装置

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WO2018216048A1 (fr) * 2017-05-22 2018-11-29 オリンパス株式会社 Scanner à fibre optique, dispositif d'éclairage, et dispositif d'observation

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US20170065156A1 (en) 2017-03-09
JP5993537B1 (ja) 2016-09-14
JPWO2016092909A1 (ja) 2017-04-27

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